Atlantex Power vs Constellation: Texas Electricity Head-to-Head
Atlantex Power offers 45 plans starting at 11.4c/kWh while Constellation has 24 plans from 10.5c/kWh across all 6 Texas TDU service areas. Here is how their rates, terms, renewable options, and fees compare.
Rate Curve Comparison
Lowest average rate across all usage levels (10.5c/kWh vs 11.5c/kWh). Consistent pricing regardless of how much electricity you use.
Shows the best available all-in rate from each provider at 500, 1,000, and 2,000 kWh usage levels. The best plan may differ at each tier.
Best Plan Per Term Length
| Term | Atlantex Power Best Plan | Rate | Fee | Constellation Best Plan | Rate | Fee | Winner |
|---|---|---|---|---|---|---|---|
| 6 Month | N/A | N/A | N/A | Simple Switch 3EFL | 10.5c | $50 flat | Constellation |
| 12 Month | Luminous 10EFL | 11.4c | $20/mo remaining | 12 Month Usage Bill Credit EFL | 11.3c | $150 flat | Constellation |
| 24 Month | Luminous 24EFL | 12.1c | $20/mo remaining | 14 Month Usage Bill CreditEFL | 11.8c | $150 flat | Constellation |
| 36 Month | Luminous 36EFL | 12.3c | $20/mo remaining | 36 Month Usage Bill CreditEFL | 12.8c | $150 flat | Atlantex Power |
Plan Type Breakdown
Atlantex Power
Constellation
Cancellation Fee Comparison
Atlantex Power
Constellation
Renewable Energy Deep Dive
Atlantex Power
Constellation
Full Plan Tables
Which Provider Fits You Better?
Looking for the Lowest Rate?
Better fit: Constellation
Constellation has the lower advertised rate at 10.5c/kWh (1,000 kWh usage), compared to 11.4c/kWh.
Want a Long-Term Price Lock?
Better fit: Atlantex Power
Atlantex Power has the better option for locking in a rate on a 36-month contract.
Going Green?
Better fit: Atlantex Power
Atlantex Power offers more 100% renewable plans (16 vs 0).
Need Flexibility?
Better fit: Atlantex Power
Atlantex Power uses a per-month cancellation structure, so your fee decreases over time - making it easier to switch later.
These rates are based on 1,000 kWh average usage. Your actual savings depend on YOUR usage pattern.
WattTrim analyzes your real Smart Meter data to find the plan that saves you the most - across all providers, not just these two.
Always Free
Trim My BillFrequently Asked Questions
Is Atlantex Power cheaper than Constellation?
Based on current plan data, Constellation has the lower advertised rate, offering plans starting at 10.5c/kWh compared to 11.4c/kWh from the other provider at 1,000 kWh of usage. Your actual cost depends on your usage pattern and the specific plan you choose.
Does Atlantex Power offer renewable energy plans compared to Constellation?
Atlantex Power offers 16 plans (36% of its lineup) at 100% renewable energy, while Constellation offers 0 plans (0% of its lineup).
What are the cancellation fees for Atlantex Power vs Constellation?
Atlantex Power charges $20/mo remaining on its tracked plans, while Constellation charges $50 - $150 on its tracked plans. Always review the Electricity Facts Label (EFL) for the exact fee structure before enrolling.
Which provider has more plan options in Texas, Atlantex Power or Constellation?
Atlantex Power currently offers more plan options across the Texas TDU areas we track, with 45 plans compared to 24.
Can I switch from Atlantex Power to Constellation?
Yes. Texas is a deregulated electricity market, so you can switch retail electric providers at any time. If you are still under contract with your current provider, check for an early termination fee before switching. New service with either provider typically starts within 1 to 5 business days of enrollment.